1000056071985 has 32 divisors (see below), whose sum is σ = 1633259376000. Its totient is φ = 522373902336.

The previous prime is 1000056071977. The next prime is 1000056071999. The reversal of 1000056071985 is 5891706500001.

It is not a de Polignac number, because 1000056071985 - 2³ = 1000056071977 is a prime.

It is a super-2 number, since 2×1000056071985² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1862320 + ... + 2338449.

It is an arithmetic number, because the mean of its divisors is an integer number (51039355500).

Almost surely, 2^{1000056071985} is an apocalyptic number.

1000056071985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000056071985 is a deficient number, since it is larger than the sum of its proper divisors (633203304015).

1000056071985 is a wasteful number, since it uses less digits than its factorization.

1000056071985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201105.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 1000056071985 in words is "one trillion, fifty-six million, seventy-one thousand, nine hundred eighty-five".